20666394

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54673}}^1$

素因数の和:54691

約数の個数: 32

約数和(自身を含む): 52487040

約数和(自身を除く): 31820646

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54673, 109346, 164019, 328038, 382711, 492057, 765422, 984114, 1148133, 1476171, 2296266, 2952342, 3444399, 6888798, 10333197, 20666394]

約数ペア:

[(1, 20666394), (2, 10333197), (3, 6888798), (6, 3444399), (7, 2952342), (9, 2296266), (14, 1476171), (18, 1148133), (21, 984114), (27, 765422), (42, 492057), (54, 382711), (63, 328038), (126, 164019), (189, 109346), (378, 54673)]